/* ================================
   MONOCHROME CINEMATIC DESIGN
   Black/White + Dark Purple + Gold
   ================================ */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Core Colors - Monochrome */
    --black: #000000;
    --white: #FFFFFF;
    --gray-dark: #0F0F0F;
    --gray-mid: #1A1A1A;
    --gray-light: #2A2A2A;
    --gray-400: #666666;
    --gray-300: #999999;
    --gray-200: #CCCCCC;
    
    /* Accent Colors */
    --purple-dark: #3A1D5F;
    --purple: #4A1D96;
    --purple-light: #6B2FB5;
    --gold-dark: #9A7428;
    --gold: #B8860B;
    --gold-light: #D4AF37;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 10rem;
    
    /* Sizing */
    --container: 1400px;
    --container-narrow: 800px;
    
    /* Effects */
    --blur: blur(20px);
    --transition: cubic-bezier(0.19, 1, 0.22, 1);
    --duration: 0.7s;
    --duration-fast: 0.3s;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.7;
    color: var(--white);
    background: var(--black);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ================================
   NOISE TEXTURE OVERLAY
   ================================ */

.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.5' numOctaves='4' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' /%3E%3C/svg%3E");
}

/* ================================
   LAYOUT UTILITIES
   ================================ */

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container--narrow {
    max-width: var(--container-narrow);
}

section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-xl) 0;
}

.label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: var(--space-sm);
}

.title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--space-md);
}

.subtitle {
    font-size: clamp(1rem, 3vw, 1.25rem);
    color: var(--gray-300);
    font-weight: 300;
}

/* ================================
   HERO SECTION
   ================================ */

.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    filter: grayscale(0.3) brightness(0.5);
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.4) 0%,
        rgba(0, 0, 0, 0.8) 100%
    );
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    animation: fadeInUp 1.2s var(--transition) forwards;
}

.hero__title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 12vw, 8rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-sm);
    text-shadow: 0 4px 40px rgba(0, 0, 0, 0.8);
    position: relative;
}

.hero__title::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        var(--gold) 0%,
        var(--purple-light) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.1;
    filter: blur(2px);
}

.hero__subtitle {
    font-size: clamp(0.875rem, 2vw, 1.25rem);
    font-weight: 300;
    letter-spacing: 0.15em;
    color: var(--gray-200);
    text-transform: uppercase;
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-300);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    z-index: 2;
    animation: fadeIn 1.5s var(--transition) 1s forwards;
    opacity: 0;
}

.hero__scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(
        180deg,
        var(--gray-400) 0%,
        transparent 100%
    );
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scrollPulse {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(20px);
        opacity: 0.3;
    }
}

.hero__play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    border: 2px solid var(--gold);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: var(--blur);
    border-radius: 50%;
    width: 120px;
    height: 120px;
    cursor: pointer;
    z-index: 10;
    transition: all var(--duration-fast) var(--transition);
}

.hero__play-btn:hover {
    background: var(--gold);
    transform: translate(-50%, -50%) scale(1.1);
}

.hero__play-btn svg {
    width: 40px;
    height: 40px;
    color: var(--white);
}

.hero__play-btn span {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
}

/* ================================
   LETTER SECTION
   ================================ */

.letter {
    background: var(--gray-dark);
    min-height: auto;
}

.letter__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.letter__content {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    padding: var(--space-xl) var(--space-lg);
    backdrop-filter: var(--blur);
}

.letter__greeting {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-style: italic;
    color: var(--gold);
    margin-bottom: var(--space-md);
}

.letter__content p {
    font-family: var(--font-serif);
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    line-height: 1.9;
    color: var(--gray-200);
    margin-bottom: var(--space-md);
}

.letter__content p strong {
    color: var(--white);
    font-weight: 600;
}

.letter__emphasis {
    font-style: italic;
    color: var(--purple-light) !important;
    text-align: center;
    font-size: 1.5rem !important;
    padding: var(--space-md) 0;
}

.letter__highlight {
    font-size: 3rem !important;
    text-align: center;
    color: var(--white) !important;
    font-weight: 700 !important;
    margin: var(--space-lg) 0 !important;
    position: relative;
}

.letter__highlight::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--gold) 50%,
        transparent 100%
    );
}

.letter__final {
    background: rgba(184, 134, 11, 0.05);
    border-left: 2px solid var(--gold);
    padding: var(--space-md);
    border-radius: 2px;
    font-style: italic;
}

.letter__signature {
    margin-top: var(--space-xl);
    text-align: right;
    font-size: 1.5rem;
    color: var(--gray-300);
    font-style: italic;
}

.letter__signature strong {
    color: var(--white);
}

/* ================================
   STORY SECTION - CINEMATIC PLAYER
   ================================ */

.story {
    background: var(--black);
    min-height: auto;
}

.story__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.player {
    position: relative;
    border-radius: 2px;
    overflow: hidden;
    background: var(--gray-dark);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.player__video {
    width: 100%;
    display: block;
    aspect-ratio: 16/9;
    background: var(--black);
}

.player__ui {
    padding: var(--space-md);
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 0, 0, 0.95) 100%
    );
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    transform: translateY(100%);
    transition: transform var(--duration) var(--transition);
}

.player:hover .player__ui {
    transform: translateY(0);
}

.player__chapters {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    overflow-x: auto;
    scrollbar-width: none;
}

.player__chapters::-webkit-scrollbar {
    display: none;
}

.chapter {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--space-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--duration-fast) var(--transition);
    min-width: 80px;
}

.chapter:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--gold);
}

.chapter.active {
    background: var(--purple-dark);
    border-color: var(--purple);
}

.chapter__number {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--white);
    font-family: var(--font-sans);
}

.chapter__title {
    font-size: 0.75rem;
    color: var(--gray-300);
    text-align: center;
}

.chapter.active .chapter__title {
    color: var(--gold);
}

.player__progress {
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-sm);
    cursor: pointer;
}

.player__progress-bar {
    height: 100%;
    background: linear-gradient(
        90deg,
        var(--gold) 0%,
        var(--purple) 100%
    );
    width: 0%;
    transition: width 0.1s linear;
}

.player__info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--gray-300);
    gap: var(--space-md);
}

.player__current-chapter {
    font-weight: 500;
    color: var(--white);
    flex: 1;
}

.player__controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.player__speed {
    display: flex;
    gap: 0.25rem;
    padding: 0.25rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.speed-btn {
    padding: 0.375rem 0.75rem;
    border: 1px solid transparent;
    background: transparent;
    color: var(--gray-300);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--duration-fast) var(--transition);
}

.speed-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
}

.speed-btn.active {
    background: var(--gold);
    color: var(--black);
    border-color: var(--gold);
}

/* ================================
   MEMORIES CAROUSEL
   ================================ */

.memories {
    background: var(--gray-dark);
    min-height: auto;
}

.memories__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.carousel {
    position: relative;
    max-width: 100%;
}

.carousel__track-container {
    overflow: hidden;
    cursor: grab;
    -webkit-overflow-scrolling: touch;
}

.carousel__track-container:active {
    cursor: grabbing;
}

.carousel__track {
    display: flex;
    gap: var(--space-md);
    transition: transform var(--duration) var(--transition);
    will-change: transform;
    touch-action: pan-x;
}

.card {
    position: relative;
    flex-shrink: 0;
    width: 400px;
    height: 500px;
    border-radius: 2px;
    overflow: hidden;
    background: var(--gray-mid);
    cursor: pointer;
    transition: transform var(--duration-fast) var(--transition);
}

.card:hover {
    transform: scale(1.02);
}

.card img,
.card video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.2);
    transition: filter var(--duration-fast) var(--transition);
}

.card:hover img,
.card:hover video {
    filter: grayscale(0);
}

.card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 0, 0, 0.8) 100%
    );
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: var(--space-md);
    opacity: 0;
    transition: opacity var(--duration-fast) var(--transition);
}

.card:hover .card__overlay {
    opacity: 1;
}

.card__download {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(184, 134, 11, 0.2);
    backdrop-filter: var(--blur);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--duration-fast) var(--transition);
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
}

.card__download svg {
    width: 18px;
    height: 18px;
    color: var(--white);
}

.card__download:hover {
    background: var(--gold);
    border-color: var(--gold);
    transform: scale(1.1);
}

.card__type {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    background: var(--purple-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.card__play {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--blur);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--duration-fast) var(--transition);
}

.card__play svg {
    width: 20px;
    height: 20px;
    color: var(--white);
    margin-left: 2px;
}

.card__play:hover {
    background: var(--gold);
    border-color: var(--gold);
    transform: scale(1.1);
}

.carousel__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: var(--blur);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all var(--duration-fast) var(--transition);
}

.carousel__nav:hover {
    background: var(--gold);
    border-color: var(--gold);
}

.carousel__nav svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

.carousel__nav--prev {
    left: -24px;
}

.carousel__nav--next {
    right: -24px;
}

.carousel__dots {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.carousel__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all var(--duration-fast) var(--transition);
}

.carousel__dot.active {
    width: 32px;
    border-radius: 4px;
    background: var(--gold);
}

/* ================================
   ONGOING SECTION
   ================================ */

.ongoing {
    background: var(--gray-dark);
    min-height: auto;
    padding: var(--space-xl) 0;
}

.ongoing__content {
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    padding: var(--space-xl) var(--space-lg);
}

.ongoing__text {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    line-height: 1.8;
    color: var(--gray-200);
    margin-bottom: var(--space-md);
}

.ongoing__final {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    line-height: 1.8;
    color: var(--white);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.ongoing__timestamp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--space-md);
}

.ongoing__label {
    font-size: 0.875rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.ongoing__date {
    font-size: 0.875rem;
    color: var(--gold);
    font-weight: 500;
}

/* ================================
   FINALE SECTION
   ================================ */

.finale {
    background: linear-gradient(
        135deg,
        var(--purple-dark) 0%,
        var(--black) 100%
    );
    text-align: center;
}

.finale__video {
    margin-bottom: var(--space-xl);
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.finale__video video {
    width: 100%;
    display: block;
}

.finale__content {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    padding: var(--space-xl) var(--space-md);
    margin-bottom: var(--space-lg);
}

.finale__hearts {
    margin-bottom: var(--space-md);
}

.heart {
    font-size: 3rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.finale__question {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.finale__name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--gold);
    font-style: italic;
}

.finale__footer {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.finale__date {
    font-size: 0.75rem;
    margin-top: var(--space-xs);
    color: var(--gray-400);
}

/* ================================
   LIGHTBOX
   ================================ */

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: var(--blur);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--duration-fast);
}

.lightbox.active {
    display: flex;
}

.lightbox__close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--duration-fast) var(--transition);
    z-index: 10001;
}

.lightbox__close:hover {
    background: var(--gold);
    border-color: var(--gold);
    transform: rotate(90deg);
}

.lightbox__close svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

.lightbox__content {
    max-width: 90%;
    max-height: 90vh;
}

.lightbox__content img,
.lightbox__content video {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 2px;
}

/* ================================
   RESPONSIVE - MOBILE FIRST
   ================================ */

/* Tablets & Small Desktops */
@media (max-width: 1024px) {
    :root {
        --space-lg: 3rem;
        --space-xl: 4rem;
        --space-2xl: 6rem;
    }
    
    section {
        padding: var(--space-lg) 0;
    }
    
    .card {
        width: 350px;
        height: 450px;
    }
    
    .carousel__nav {
        width: 40px;
        height: 40px;
    }
    
    .letter__content {
        padding: var(--space-lg) var(--space-md);
    }
}

/* Mobile Landscape & Portrait */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    body {
        overflow-x: hidden;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    section {
        min-height: auto;
        padding: var(--space-md) 0;
    }
    
    /* Hero Section */
    .hero {
        height: 100vh;
        height: 100dvh; /* Dynamic viewport height for mobile */
    }
    
    .hero__title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
    
    .hero__scroll {
        bottom: var(--space-md);
    }
    
    .hero__play-btn {
        width: 100px;
        height: 100px;
    }
    
    .hero__play-btn svg {
        width: 32px;
        height: 32px;
    }
    
    /* Letter Section */
    .letter {
        padding: var(--space-lg) 0;
    }
    
    .letter__header {
        margin-bottom: var(--space-md);
    }
    
    .letter__content {
        padding: var(--space-md);
        border-radius: 0;
    }
    
    .letter__greeting {
        font-size: 1.5rem;
        margin-bottom: var(--space-sm);
    }
    
    .letter__content p {
        font-size: 1.125rem;
        line-height: 1.8;
        margin-bottom: var(--space-sm);
    }
    
    .letter__emphasis {
        font-size: 1.25rem !important;
        padding: var(--space-sm) 0;
    }
    
    .letter__highlight {
        font-size: 2rem !important;
        margin: var(--space-md) 0 !important;
    }
    
    .letter__signature {
        font-size: 1.25rem;
        margin-top: var(--space-md);
    }
    
    /* Story/Video Section */
    .story {
        padding: var(--space-lg) 0;
    }
    
    .player {
        border-radius: 0;
    }
    
    .player__video {
        aspect-ratio: 16/9;
    }
    
    .player__ui {
        padding: var(--space-sm);
        transform: translateY(0); /* Always visible on mobile */
        position: relative;
        background: var(--gray-dark);
    }
    
    .player__chapters {
        gap: 0.25rem;
        margin-bottom: var(--space-sm);
        padding-bottom: var(--space-xs);
    }
    
    .chapter {
        min-width: 70px;
        padding: 0.75rem 0.5rem;
        /* Larger touch targets */
        min-height: 44px;
    }
    
    .chapter__number {
        font-size: 0.8rem;
    }
    
    .player__info {
        flex-wrap: wrap;
        gap: var(--space-sm);
        font-size: 0.8rem;
    }
    
    .player__controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .player__speed {
        flex: 1;
        justify-content: space-between;
    }
    
    .speed-btn {
        flex: 1;
        padding: 0.5rem;
        font-size: 0.7rem;
        /* Larger touch targets */
        min-height: 36px;
    }
    
    .player__time {
        font-size: 0.75rem;
    }
    
    /* Carousel - Improved Mobile Swipe (1.3 cards) */
    .memories {
        padding: var(--space-lg) 0;
    }
    
    .memories__header {
        margin-bottom: var(--space-md);
    }
    
    .memories__header {
        padding: 0 var(--space-sm);
    }
    
    .memories__header .title {
        font-size: clamp(1.5rem, 6vw, 2rem);
        text-align: center;
    }
    
    .carousel {
        margin: 0;
        overflow: hidden;
    }
    
    .carousel__track-container {
        padding: 0;
        overflow-x: scroll;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox */
    }
    
    .carousel__track-container::-webkit-scrollbar {
        display: none; /* Chrome/Safari */
    }
    
    .carousel__track {
        gap: var(--space-sm);
        padding: 0 var(--space-md);
        padding-right: 0; /* Let last card peek show naturally */
    }
    
    .card {
        /* Show current card + 30% peek of next */
        width: 75vw;
        max-width: 320px;
        height: 420px;
        flex-shrink: 0;
        scroll-snap-align: start;
        scroll-snap-stop: always;
    }
    
    /* First card gets left margin for better centering */
    .card:first-child {
        scroll-snap-align: center;
    }
    
    /* Last card gets right padding */
    .card:last-child {
        margin-right: var(--space-md);
    }
    
    .card__overlay {
        opacity: 1; /* Always visible on mobile */
    }
    
    .card__type {
        font-size: 0.7rem;
        padding: 0.375rem 0.75rem;
    }
    
    .card__download {
        width: 44px;
        height: 44px;
        top: var(--space-sm);
        right: var(--space-sm);
    }
    
    .card__download svg {
        width: 20px;
        height: 20px;
    }
    
    .carousel__nav {
        display: none; /* Swipe instead */
    }
    
    .carousel__dots {
        margin-top: var(--space-md);
        gap: 0.5rem;
        padding: 0 var(--space-sm);
    }
    
    .carousel__dot {
        width: 8px;
        height: 8px;
    }
    
    .carousel__dot.active {
        width: 28px;
    }
    
    /* Ongoing */
    .ongoing {
        padding: var(--space-lg) 0;
    }
    
    .ongoing__content {
        padding: var(--space-md);
        border-radius: 0;
    }
    
    .ongoing__text,
    .ongoing__final {
        font-size: 1.125rem;
        line-height: 1.7;
        margin-bottom: var(--space-sm);
    }
    
    .ongoing__timestamp {
        flex-direction: column;
        gap: 0.25rem;
        padding-top: var(--space-sm);
        margin-top: var(--space-sm);
    }
    
    .ongoing__label,
    .ongoing__date {
        font-size: 0.8rem;
    }

    /* Finale */
    .finale {
        padding: var(--space-lg) 0;
    }
    
    .finale__video {
        margin-bottom: var(--space-md);
        border-radius: 0;
    }
    
    .finale__content {
        padding: var(--space-md);
    }
    
    .finale__hearts {
        margin-bottom: var(--space-sm);
    }
    
    .heart {
        font-size: 2.5rem;
    }
    
    .finale__question {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }
    
    .finale__name {
        font-size: 1.25rem;
    }
    
    /* Lightbox */
    .lightbox__close {
        top: var(--space-sm);
        right: var(--space-sm);
        width: 44px;
        height: 44px;
    }
    
    .lightbox__content {
        max-width: 95%;
        max-height: 85vh;
    }
}

/* Small Mobile Phones */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    section {
        padding: var(--space-md) 0;
    }
    
    /* Hero */
    .hero__title {
        font-size: clamp(2rem, 12vw, 3rem);
        padding: 0 1rem;
    }
    
    .hero__subtitle {
        font-size: 0.75rem;
    }
    
    .hero__play-btn {
        width: 80px;
        height: 80px;
    }
    
    .hero__play-btn svg {
        width: 24px;
        height: 24px;
    }
    
    .hero__play-btn span {
        font-size: 0.75rem;
    }
    
    /* Letter */
    .letter__content {
        padding: var(--space-sm);
    }
    
    .letter__content p {
        font-size: 1rem;
        margin-bottom: var(--space-sm);
    }
    
    .letter__greeting {
        font-size: 1.25rem;
    }
    
    .letter__emphasis {
        font-size: 1.125rem !important;
    }
    
    .letter__highlight {
        font-size: 1.75rem !important;
    }
    
    .letter__final {
        padding: var(--space-sm);
    }
    
    .letter__signature {
        font-size: 1.125rem;
    }
    
    /* Story */
    .player__ui {
        padding: 0.75rem;
    }
    
    .chapter {
        min-width: 60px;
        padding: 0.5rem 0.375rem;
    }
    
    .chapter__number {
        font-size: 0.75rem;
    }
    
    .speed-btn {
        padding: 0.375rem;
        font-size: 0.65rem;
    }
    
    /* Carousel */
    .card {
        width: min(90vw, 280px);
        height: 400px;
    }
    
    .carousel__track {
        gap: 0.75rem;
    }
    
    /* Ongoing */
    .ongoing {
        padding: var(--space-md) 0;
    }
    
    .ongoing__content {
        padding: var(--space-sm);
    }
    
    .ongoing__text,
    .ongoing__final {
        font-size: 1rem;
        line-height: 1.6;
    }

    /* Finale */
    .finale__content {
        padding: var(--space-sm);
    }
    
    .heart {
        font-size: 2rem;
    }
    
    .finale__question {
        font-size: 1.5rem;
    }
    
    .finale__name {
        font-size: 1.125rem;
    }
}

/* Extra Small Screens */
@media (max-width: 375px) {
    .card {
        width: 240px;
        height: 320px;
    }
    
    .chapter {
        min-width: 56px;
        padding: 0.5rem 0.25rem;
    }
    
    .speed-btn {
        font-size: 0.6rem;
        padding: 0.375rem 0.25rem;
    }
}

/* Landscape Mobile Optimization */
@media (max-width: 896px) and (orientation: landscape) {
    .hero {
        height: auto;
        min-height: 100vh;
        padding: var(--space-lg) 0;
    }
    
    .hero__title {
        font-size: 3rem;
    }
    
    .hero__scroll {
        display: none;
    }
    
    section {
        min-height: auto;
    }
    
    .player__video {
        aspect-ratio: 16/9;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Ensure touch targets are at least 44x44px */
    button,
    .chapter,
    .speed-btn,
    .carousel__dot {
        min-width: 44px;
        min-height: 44px;
    }
    
    /* Show overlays by default on touch devices */
    .card__overlay {
        opacity: 1;
    }
    
    /* Disable hover states that don't work on touch */
    .card:hover,
    .chapter:hover,
    .speed-btn:hover {
        transform: none;
    }
    
    /* Make player UI always visible */
    .player__ui {
        transform: translateY(0);
    }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Sharper text on retina displays */
    body {
        -webkit-font-smoothing: subpixel-antialiased;
    }
}

/* Safe Area for Notched Devices (iPhone X+) */
@supports (padding: env(safe-area-inset-top)) {
    body {
        padding-top: env(safe-area-inset-top);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    .hero__scroll {
        bottom: calc(var(--space-lg) + env(safe-area-inset-bottom));
    }
    
    .lightbox__close {
        top: calc(var(--space-md) + env(safe-area-inset-top));
        right: calc(var(--space-md) + env(safe-area-inset-right));
    }
}

/* ================================
   VALENTINE RESPONSE SYSTEM
   ================================ */

.valentine__buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 3rem;
    transition: opacity 0.3s ease;
}

.valentine__btn {
    position: relative;
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.valentine__btn--yes {
    background: linear-gradient(135deg, var(--purple) 0%, var(--purple-light) 100%);
    color: var(--white);
}

.valentine__btn--yes:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 30px rgba(74, 29, 150, 0.5);
}

.valentine__btn--no {
    background: linear-gradient(135deg, var(--gray-light) 0%, var(--gray-mid) 100%);
    color: var(--gray-300);
}

/* Secret Message Reveal */
.valentine__message {
    margin-top: 3rem;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(74, 29, 150, 0.1) 0%, rgba(184, 134, 11, 0.1) 100%);
    border: 1px solid rgba(184, 134, 11, 0.3);
    border-radius: 16px;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--transition);
}

.valentine__message.fadeIn {
    opacity: 1;
    transform: translateY(0);
}

.valentine__message.hidden {
    display: none;
}

.valentine__message-content h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--gold);
    margin-bottom: 1.5rem;
}

.valentine__message-content p {
    font-size: 1.25rem;
    color: var(--gray-200);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.valentine__signature {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--gold-light);
    margin-top: 2rem;
    font-size: 1.125rem;
}

/* Stats Counter */
.valentine__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    padding: 3rem;
    background: rgba(26, 26, 26, 0.5);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.stat {
    text-align: center;
    padding: 1.5rem;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(74, 29, 150, 0.15) 0%, rgba(184, 134, 11, 0.15) 100%);
    border: 1px solid rgba(184, 134, 11, 0.2);
    transition: transform 0.3s var(--transition);
}

.stat:hover {
    transform: translateY(-4px);
}

.stat__number {
    font-size: 3.5rem;
    font-weight: 700;
    font-family: var(--font-serif);
    background: linear-gradient(135deg, var(--purple-light) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat__label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-300);
}

/* Mobile Responsive - Valentine System */
@media (max-width: 768px) {
    .valentine__buttons {
        flex-direction: column;
        gap: 1rem;
        margin-top: 2rem;
    }
    
    .valentine__btn {
        width: 100%;
        padding: 1rem 2rem;
        font-size: 1.125rem;
    }
    
    .valentine__message {
        padding: 2rem 1.5rem;
        margin-top: 2rem;
    }
    
    .valentine__message-content h3 {
        font-size: 1.5rem;
    }
    
    .valentine__message-content p {
        font-size: 1rem;
    }
    
    .valentine__stats {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 2rem 1rem;
        margin-top: 2rem;
    }
    
    .stat__number {
        font-size: 2.5rem;
    }
    
    .stat__label {
        font-size: 0.75rem;
    }
}